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Quality

Westfälische Drahtindustrie GmbH considers ISO 9001 certification to be the foundation of quality management.  

The eight principles of WDI quality management:

1. Customer satisfaction
2. Leadership
3. Inclusion
4. Process-orientated approach
5. System-orientated management approach
6. Continuous improvement
7. Fact-based decision-making approach
8. Supplier relationship for mutual benefit 



Corporate philosophy and quality policy

The development of Westfälische Drahtindustrie GmbH is an expression of a corporate policy that is directly related to the endeavour to achieve product quality and complete fulfilment of customer requirements.

The company management has an obligation to maintain and strengthen this reputation and defines its quality policy with the quality management system.

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Unternehmensphilosophie und Qualitätspolitik


Code of Conduct and Ethics for WDI Business Partners

Westfälische Drahtindustrie GmbH stands for innovation, responsibility, fairness and customer orientation – values that guide our behaviour as a company.

Compliance with these values is the basis for sound business relationships.

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Verhaltens- und Ethikkodex für Geschäftspartner der WDI


Sustainability – an integral part of WDI's corporate policy

The careful use of resources has a long tradition at WDI, long before the term "sustainability" became part of common vocabulary.

WDI's corporate policy sees the responsible use of resources not only as an economic matter of course, but also takes into account the impact the company and its actions have on the environment, employees, suppliers and society.


Energy policy principles

Westfälische Drahtindustrie GmbH (WDI) has set itself the goal of using energy frugally and sustainably.
WDI therefore endeavours to continuously improve energy efficiency within the company in order to conserve natural resources and increase its own competitiveness.

In order to achieve these goals, an energy management system in accordance with ISO 50001 is being introduced and continuously developed throughout the company.

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Energiepolitische Grundsätze


Energy Management System (EnMS)

Resolution of the Management Board

On 9 August 2012, the management of Westfälische Drahtindustrie GmbH decided to introduce an energy management system (EnMS) in accordance with DIN EN ISO 50001:2012 at the WDI sites in Hamm and Rothenburg.

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Energie-Management-System (EnMS)


Declaration of Conformity

We hereby confirm that our products comply with the following laws, directives and regulations:

REACHRegulation (EC) No. 1907 /2006
RoHSDirective 2011/65/EU
End-of-life vehicle regulationDirective 2000/53/EC
POP RegulationRegulation (EU) 2019/1021
TSCAToxic Substances Control Act (USA)
California Proposition 65Safe Drinking Water and Toxic Enforcement Act (USA)

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Konformitätserklärung


SCIP numbers

WDI is already working intensively on the following topics:

  • Article 9(1)(i) and Article 9(2) of Directive 2008/98/EC of 19 November 2008 on waste (EU Waste Framework Directive).
  • § Section 16f of the German Act on Protection against Hazardous Substances (Chemicals Act -ChemG)
  • SCIP database - Substances of Concern In articles as such or in complex objects (Products), or SCIP database for short

Statement for download

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Stellungnahme SCIP-Nummern


How can we help you?

We will of course be happy to assist you personally.
You can reach us Mon-Fri between 8:00 am and 5:00 pm.

Contacts Quality Management

Stephan Gottschalk | QMR & technical customer support |

Hamm plant

+49 2381 276 235

Dr. Benjamin Glettner | QMV Welding technology |

Hamm plant

+49 2381 276 455

Thorsten Welski | QMM Cold heading wire |

Iserlohn plant

+49 2371 94 92 10

Andreas Zink | QMM Flat and profile wire |

Brotterode plant

+49 36840 414 17

Dirk Johann | QMM Prestressing steel |

Hamm plant

+49 2381 276 286

Andrees Kuhlmann | QMM & techn. Kundensupport |

Hamm • Schwerte • Zweibrücken

+49 2381 276 469

Robin Ecke | QMM Welding technology |

Rothenburg plant

+49 170 45 25 341

Christian Zengerling | QMR Steel wire |

Rothenburg plant

+49 34691 41 373

Olaf Rost | QMM High performance wire ropes |

Python Dortmund

+49 231 859 82 23

Andreas Beth | QMM Overhead power lines |

Berlin plant

+49 152 345 461 62